Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 878 [Rate centres in NPA 878] [Dial plan for NPA 878]

NXX: 301

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
878-301 A Smock PA PITBPADTXFX  624H ONVOY SPECTRUM, LLC 234      
878-301 0 Smock PA   624H ONVOY SPECTRUM, LLC 234   2023-10-05   
878-301 1 Smock PA   073H TELNYX LLC 234   2023-10-14   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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